21300062468 has 12 divisors (see below), whose sum is σ = 38282544972. Its totient is φ = 10362192480.

The previous prime is 21300062449. The next prime is 21300062471. The reversal of 21300062468 is 86426000312.

21300062468 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 12922687684 + 8377374784 = 113678^2 + 91528^2 .

It is a super-2 number, since 2×21300062468² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71959523 + ... + 71959818.

It is an arithmetic number, because the mean of its divisors is an integer number (3190212081).

Almost surely, 2^21300062468 is an apocalyptic number.

It is an amenable number.

21300062468 is a deficient number, since it is larger than the sum of its proper divisors (16982482504).

21300062468 is a wasteful number, since it uses less digits than its factorization.

21300062468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143919382 (or 143919380 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 21300062468 in words is "twenty-one billion, three hundred million, sixty-two thousand, four hundred sixty-eight".